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merge: v2/1596-test-stability (#1597)

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cliffhall 2026-07-01 22:05:57 -04:00
commit c6b5af3b81
1 changed files with 250 additions and 193 deletions
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22
clients/web/src/test/integration/mcp/inspectorClient.test.ts
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@ -1,4 +1,4 @@
import { describe, it, expect, beforeEach, afterEach } from "vitest";
import { describe, it, expect, beforeEach, afterEach, vi } from "vitest";
import * as z from "zod/v4";
import { InspectorClient } from "@inspector/core/mcp/inspectorClient.js";
import {
@ -2452,11 +2452,21 @@ describe("InspectorClient", () => {
const writeToStderrTool = await getTool(client, "write_to_stderr");
await client.callTool(writeToStderrTool, { message: testMessage });
const logs = stderrLogState.getStderrLogs();
expect(Array.isArray(logs)).toBe(true);
const matching = logs.filter((l) => l.message.includes(testMessage));
expect(matching.length).toBeGreaterThan(0);
expect(matching[0]!.message).toContain(testMessage);
// The child's stderr is piped out-of-band from the tool's JSON-RPC
// response, so the "data" chunk carrying `testMessage` can still be in
// flight when `callTool` resolves. Reading the log synchronously here
// races that chunk (the historical flake). Poll until the line lands
// instead of asserting on a single sample.
await vi.waitFor(
() => {
const logs = stderrLogState.getStderrLogs();
expect(Array.isArray(logs)).toBe(true);
const matching = logs.filter((l) => l.message.includes(testMessage));
expect(matching.length).toBeGreaterThan(0);
expect(matching[0]!.message).toContain(testMessage);
},
{ timeout: 5000, interval: 25 },
);
stderrLogState.destroy();
});
});